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Avoid redundant completion output target evaluations

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The target is not to be changed while outputting completions, so resolve
it only once.
This commit is contained in:
Ville Skyttä 2023-05-10 00:00:43 +03:00
parent 1f495bb3c8
commit 79fb3dd0cf
1 changed files with 4 additions and 3 deletions
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7
completions.go
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@ -217,6 +217,7 @@ func (c *Command) initCompleteCmd(args []string) {
}
noDescriptions := (cmd.CalledAs() == ShellCompNoDescRequestCmd)
out := finalCmd.OutOrStdout()
for _, comp := range completions {
if GetActiveHelpConfig(finalCmd) == activeHelpGlobalDisable {
// Remove all activeHelp entries in this case
@ -242,14 +243,14 @@ func (c *Command) initCompleteCmd(args []string) {
// although there is no description).
comp = strings.TrimSpace(comp)
// Print each possible completion to stdout for the completion script to consume.
fmt.Fprintln(finalCmd.OutOrStdout(), comp)
// Print each possible completion to the output for the completion script to consume.
fmt.Fprintln(out, comp)
}
// As the last printout, print the completion directive for the completion script to parse.
// The directive integer must be that last character following a single colon (:).
// The completion script expects :<directive>
fmt.Fprintf(finalCmd.OutOrStdout(), ":%d\n", directive)
fmt.Fprintf(out, ":%d\n", directive)
// Print some helpful info to stderr for the user to understand.
// Output from stderr must be ignored by the completion script.